Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 486665
Title Opportunities to improve the areal oil productivity of microalgae
Author(s) Breuer, G.; Lamers, P.P.; Janssen, M.G.J.; Wijffels, R.H.; Martens, D.E.
Source Bioresource Technology 186 (2015). - ISSN 0960-8524 - p. 294 - 302.
Department(s) Bioprocess Engineering
Publication type Refereed Article in a scientific journal
Publication year 2015
Keyword(s) triacylglycerol tag accumulation - nitrogen starvation - scenedesmus-obliquus - starchless mutants - photosynthesis - light - photobioreactors - temperature - metabolism - simulation
Abstract Microalgae are often considered as a promising alternative source of vegetable oils. These oils can be used for food and biofuel applications. Productivities that are projected for large-scale microalgal oil production are, however, often poorly supported by scientific evidence and based on too optimistic assumptions. To facilitate the inclusion of the microalgal physiology in these projections, existing knowledge and novel scientific insights were condensed into a mechanistic model that describes photosynthesis and carbon partitioning during nitrogen starvation. The model is validated using experimental data from both wild-type and a starchless mutant of Scenedesmus obliquus. The model is subsequently used to quantify how reactor design, process design, and strain improvement can improve the oil productivity from 2.1 to up to 10.9 g m-2 day-1. These projected productivities are used to reflect on commonly assumed oil productivities and it is concluded that the microalgal oil productivity is often overestimated several folds.
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